package main
import "fmt"

type jiekou interface{
	ceshi()
}

type jiekou2 interface{
	jiekou
	ceshi2()
}

type jiekou3 interface{
	jiekou2
	ceshi3()
}
type Int int

func (a Int)ceshi(){
	fmt.Printf("Int Ceshi a = %d\n", a)
}

func (a Int)ceshi2(){
	fmt.Printf("Int Ceshi a2 = %d\n", a)
}

func (a Int)ceshi3(){
	fmt.Printf("Int Ceshi a3 = %d\n", a)
}


func main(){
	var a Int = 123
	var jk jiekou3
	jk = a
	jk.ceshi()
	jk.ceshi2()
	jk.ceshi3()
}
